From Event: SPIE Optical Engineering + Applications, 2016
An airborne 2-micron double-pulsed Integrated Path Differential Absorption (IPDA) lidar has been developed for atmospheric CO2 measurements. This instrument has been flown in spring of 2014 for a total of ten flights with 27 flight hours. The results of these test flights clearly show the capability of the lidar instrument to measure the total column amount of atmospheric CO2 from aircraft to the ground or cloud top.
Jirong Yu, Mulugeta Petros, Tamer F. Refaat, and Upendra N. Singh, "Airborne 2-micron IPDA Lidar for atmospheric CO2 measurement
(Conference Presentation)," Proc. SPIE 9977, Remote Sensing System Engineering VI, 997704 (Presented at SPIE Optical Engineering + Applications: September 01, 2016; Published: 7 December 2016); https://doi.org/10.1117/12.2236705.5178875876001.
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Study of self-shadowing effect as a simple means to realize nanostructured thin films and layers with special attentions to birefringent obliquely deposited thin films and photo-luminescent porous silicon